1.Theworld'sfirstcomputerwastheENIAC,inventedin1946.2.ThefullnameofENIACisElectronicNumericalIntegratorAndComputer,meaningelectronicdigitalintegralcomputer.3.ENIACisconsideredtheworld'sfirstgeneral-purposecomputer,thesecondelectroniccomputeraftertheAtanasoff-BerryComputer(ABC).4.ENIACwasaTuring-completeelectroniccomputerwiththecapabilitytobereprogrammed,capableofsolvingavarietyofcomputationalproblems.5.ThiscomputerwasintroducedintheUnitedStatesonFebruary14,1946,withadevelopmentteamknownasthe"MoireGroup,"consistingoffourscientistsandengineers:Eckert,Mauchly,Goldstine,andBoakes.6.Eckert,attheageof25,wasthechiefengineeroftheproject.7.ThemainfeaturesofENIACincludetheuseofvacuumtubesasthebasicelectroniccomponent,despiteitslargesize,highpowerconsumption,shortlifespan,lowreliability,andhighcost.Itmarkedthebeginningoftheeraofelectroniccomputers.8.Itsmemoryusedmercurydelaylinetechnology.Duringthatperiod,computershadnosystemsoftware,andprogrammingwasprimarilydoneinmachinelanguageandassemblylanguage.9.Atthattime,theapplicationofcomputerswaslimitedtoafewcutting-edgefieldssuchasscience,military,andfinance,demonstratinginitialcomputingcapabilities.